Physical and Chemical Agents Bactericidal concentration of phenol is 0.5% 0.75% 0.25% 1% 0.5% 0.75% 0.25% 1% ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following is most effective for sterilizing mattresses and plastic petri plates? Chlorine Glutaraldehyde Ethylene oxide Ultraviolet radiation Chlorine Glutaraldehyde Ethylene oxide Ultraviolet radiation ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following skin disinfectant(s) is/are most frequently used? none of these Isopropyl alcohol Ethyl alcohol Both (a) and (b) none of these Isopropyl alcohol Ethyl alcohol Both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents All of the following are sporicidal except glutaraldehyde formaldehyde ethylene oxide alcohol glutaraldehyde formaldehyde ethylene oxide alcohol ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following describes the effect of ionizing radiation on microbes? Changes the 3-dimensional structure of proteins to a 2-dimen-sional form Induces electrons and protons to jump out of the molecules of the microbe Substantially decreases enzymatic activity, slowing microbial reproduction None of these Changes the 3-dimensional structure of proteins to a 2-dimen-sional form Induces electrons and protons to jump out of the molecules of the microbe Substantially decreases enzymatic activity, slowing microbial reproduction None of these ANSWER DOWNLOAD EXAMIANS APP